Files
openvision/go/face/hopenet/hopenet.go
2021-11-11 17:30:56 +08:00

65 lines
1.5 KiB
Go

package hopenet
/*
#include <stdlib.h>
#include <stdbool.h>
#include "openvision/face/hopenet.h"
*/
import "C"
import (
"unsafe"
openvision "github.com/bububa/openvision/go"
"github.com/bububa/openvision/go/common"
"github.com/bububa/openvision/go/face"
)
// Hopenet represents Hopenet detecter
type Hopenet struct {
d C.IHopenet
}
// NewHopenet returns a new Hopenet
func NewHopenet() *Hopenet {
return &Hopenet{
d: C.new_hopenet(),
}
}
// Pointer implement Estimator interface
func (h *Hopenet) Pointer() unsafe.Pointer {
return unsafe.Pointer(h.d)
}
// LoadModel load detecter model
func (h *Hopenet) LoadModel(modelPath string) error {
return common.EstimatorLoadModel(h, modelPath)
}
// Destroy destroy C.IHopeNet
func (h *Hopenet) Destroy() {
common.DestroyEstimator(h)
}
// Detect head pose
func (h *Hopenet) Detect(img *common.Image, faceRect common.Rectangle) (face.HeadPose, error) {
imgWidth := img.WidthF64()
imgHeight := img.HeightF64()
data := img.Bytes()
CRect := faceRect.CRect(imgWidth, imgHeight)
CHeadPose := face.NewCHeadPose()
defer C.free(unsafe.Pointer(CHeadPose))
errCode := C.hopenet_detect(
(C.IHopenet)(h.Pointer()),
(*C.uchar)(unsafe.Pointer(&data[0])),
C.int(imgWidth), C.int(imgHeight),
(*C.Rect)(unsafe.Pointer(CRect)),
(*C.HeadPose)(unsafe.Pointer(CHeadPose)),
)
C.free(unsafe.Pointer(CRect))
if errCode != 0 {
return face.HeadPose{}, openvision.DetectHeadPoseError(int(errCode))
}
return face.GoHeadPose(CHeadPose), nil
}